The diet is useful not only for fat people
Reducing nutrition improves mood, sleep and sex in healthy people
Ivan Sychev, Geektimes
Limiting the calorie content of food during the day is useful not only in the case of overweight or obesity. Studies on mice have shown that reducing calorie intake contributes to an increase in life expectancy: reducing the amount of food slowed down a number of genetic processes associated with aging.
The results of a new study (Martin et al., Effect of Calorie Restriction on Mood, Quality of Life, Sleep, and Sexual Function in Healthy Nonobese Adults // JAMA Intern Med., 2016), which involved 218 healthy adults, showed that calorie restriction can not only help to lose weight, but also and it has a better psychological effect compared to the control group, in which people ate everything they wanted.
The study involved men and women aged 20 to 50 years with a body mass index from 22 to 28 – that is, normal and overweight. Participants from one group reduced their calorie intake by 25%, while the control group did not have to change their diet. Those who reduced caloric intake, after two years, reported an improvement in mood, a decrease in tension and an improvement in overall health and sexual desire.
Moreover, a year later, the "starving" group noted an improvement in the quality of sleep. People lost weight by losing about 12% of their body weight in two years, and by the end of the study, the average body mass index was 22.6 (exactly the middle of the normal range, from 18.5 to 24.99; before the experiment, it was 25.1 – VM). Participants from the control group retained their weight.
Reducing calorie intake causes severe hunger in people. It will take patience for the body to adjust to such an amount of energy. The author of the study adds (in a press release, JAMA Study Links Some Positive Effects to Calorie Restriction in Nonobese Adults - VM) that after weight decreases, people begin to feel the benefits of such a diet – it becomes easier to move, joint pain decreases and well–being improves.
The value of this study is that it shows an improvement in the quality of life from a reduction in food intake for people with normal weight, and not just for those who suffer from overweight and obesity.
Calorie reduction has already been tried on mice. In 2014, a team of scientists reduced the nutrition of mice by 30%, after which they found a decrease in the activity of about 900 different genes associated with the aging process in the brain. In another study, mice were put on a low-protein, high-carbohydrate diet and achieved similar results without fasting.
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13.05.2016